Hydrogenation of olefins catalyzed by Pd(II) complexes containing a perfluoroalkylated S,O-chelating ligand in supercritical CO2 and organic solvents

YILMAZ F., Mutlu A., ÜNVER H., Kurtca M., KANİ İ.

JOURNAL OF SUPERCRITICAL FLUIDS, vol.54, no.2, pp.202-209, 2010 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 54 Issue: 2
  • Publication Date: 2010
  • Doi Number: 10.1016/j.supflu.2010.04.014
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.202-209
  • Eskisehir Osmangazi University Affiliated: Yes


Pd(II) complexes with the tridentate ligands heptadecafluorodecyl-thiophene-2-carboxylate (L-1 = SOSRf1, R-f1 = (CH2)(2)(CF2)(7)CF3) and heptadecafluorononil thiophene-2-carboxylate (L-2 = SOORf2, R-f2 =(CH2)(CF2)(7)CF3) have been synthesized, and their catalytic activities for the homogeneous hydrogenation of olefins have been studied with molecular hydrogen in scCO(2) and organic solvents. Both perfluoroalkylated-heterocycle ligands potentially have three donor atom sets (SOO/SOS). Depending on the soft-hard interaction between palladium and the donor atoms of the ligands, different activities for the Pd(II) complexes were observed. The nature of the solvent had an effect upon the hydrogenation of olefins. The effects of temperature and H-2 pressure on the hydrogenation of styrene were also investigated. (C) 2010 Elsevier B.V. All rights reserved.